The Q150 was a 4-valve battery radio set, designed to drive a speaker and with a range of up to 5000 miles. It cost 36 pounds in 1926, which must have made it a rich mans set!
1926 Johns Catalogue
Valves (4): 201A, 201A, 201A, 201A
Intermediate Frequency: TRF
Chassis Notes(most schematics can be clicked to download a full size version)
General Construction Notes for Wellmade Ltd:
Radios made for Johns in the 30's were often available in AC, DC or Battery. The inclusion of DC power options was because large tracts of Auckland (where Johns and Wellmade were situated) were supplied by DC power generation.
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